Eufy Entry Sensor E20 vs Entry Sensor: key differences
Compare eufy Entry Sensor E20 and the original Entry Sensor by HomeBase support, stated battery life, range, installation, and alert controls.
Information checked August 5, 2026
Quick verdicts
Longer stated battery life
E20 lists up to five years from its battery. The original Entry Sensor lists 800 days of monitoring, so E20 has the longer stated interval.
Temporary sensor bypass
E20 has a physical bypass button that temporarily deactivates that sensor while other sensors remain active. The original model's listing does not name this control.
Side-by-side comparison
| Product | Good fit for | Required HomeBase | Stated battery life | Stated wireless range | Installation | Alerts and controls |
|---|---|---|---|---|---|---|
| eufy Entry Sensor E20 | Longer battery target and newer HomeBase choices | HomeBase Mini, HomeBase 2 made after 2021, HomeBase 3, or HomeBase Pro; listed firmware minimums apply | CR123A battery; up to 5 years | Up to 656 feet in open air with HomeBase | Supports left-side or right-side installation | Bypass button, HomeBase chime, app alerts, and automation rules with eufy app 6.0.00 or later |
| eufy Security Entry Sensor | A basic entry alert with a stated siren level | Requires eufy Security HomeBase; compatible versions are not named in the listing | Included CR123A battery; 800 days of monitoring | Not stated in the current listing | Compact door or window sensor with magnet and mounting screws | App alerts and an optional 100-decibel siren through HomeBase; optional professional monitoring |
eufy Entry Sensor E20
- Good fit for
- Longer battery target and newer HomeBase choices
- Required HomeBase
- HomeBase Mini, HomeBase 2 made after 2021, HomeBase 3, or HomeBase Pro; listed firmware minimums apply
- Stated battery life
- CR123A battery; up to 5 years
- Stated wireless range
- Up to 656 feet in open air with HomeBase
- Installation
- Supports left-side or right-side installation
- Alerts and controls
- Bypass button, HomeBase chime, app alerts, and automation rules with eufy app 6.0.00 or later
eufy Security Entry Sensor
- Good fit for
- A basic entry alert with a stated siren level
- Required HomeBase
- Requires eufy Security HomeBase; compatible versions are not named in the listing
- Stated battery life
- Included CR123A battery; 800 days of monitoring
- Stated wireless range
- Not stated in the current listing
- Installation
- Compact door or window sensor with magnet and mounting screws
- Alerts and controls
- App alerts and an optional 100-decibel siren through HomeBase; optional professional monitoring
Products in this comparison
eufy Entry Sensor E20
Good fit for: Longer battery target and newer HomeBase choices
Entry Sensor E20 lists up to five years of battery life, a 656-foot open-air HomeBase range, dual-side installation, and a temporary bypass button.
Read product details
eufy Security Entry Sensor
Good fit for: A basic entry alert with a stated siren level
The original Entry Sensor lists 800 days of monitoring, door or window installation, phone alerts, and a 100-decibel siren triggered through HomeBase.
Read product detailsHow we compared them
We compared the current listings for eufy Entry Sensor E20 and the original eufy Security Entry Sensor using the same five fields: HomeBase requirement, stated battery life, wireless range, installation, and alert controls. GadgetWunder has not installed or range-tested either sensor. The conclusions below use the cited listing details and do not use marketplace ratings to choose a winner.
What we left out
- Other eufy sensors and alarm accessories Motion sensors, keypads, and other entry-sensor bundles serve different roles or include different hardware. This comparison stays with the two individual contact sensors.